-10%
Grove – Rotary Angle Sensor 旋轉電位器模組 / 旋轉角度傳感器
原始價格：NT$100。NT$90目前價格：NT$90。 (未稅)
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Grove – Rotary Angle Sensor 旋轉電位器模組 / 旋轉角度傳感器
Grove – Rotary Angle Sensor 旋轉電位器模 在其 D1 連接器上產生 0 和 Vcc（5V DC，Seeeduino）之間的模擬輸出。不使用 D2 連接器。角度範圍為 300 度，值呈線性變化。電阻值為 10k 歐姆，非常適合 Arduino 使用。這也可以稱為“電位計”。
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/*macro definitions of Rotary angle sensor and LED pin*/ #define ROTARY_ANGLE_SENSOR A0 #define LED 3 //the Grove - LED is connected to PWM pin D3 of Arduino #define ADC_REF 5 //reference voltage of ADC is 5v.If the Vcc switch on the seeeduino //board switches to 3V3, the ADC_REF should be 3.3 #define GROVE_VCC 5 //VCC of the grove interface is normally 5v #define FULL_ANGLE 300 //full value of the rotary angle is 300 degrees void setup() { Serial.begin(9600); pinMode(ROTARY_ANGLE_SENSOR, INPUT); pinMode(LED,OUTPUT); } void loop() { float voltage; int sensor_value = analogRead(ROTARY_ANGLE_SENSOR); voltage = (float)sensor_value*ADC_REF/1023; float degrees = (voltage*FULL_ANGLE)/GROVE_VCC; Serial.println("The angle between the mark and the starting position:"); Serial.println(degrees); int brightness; brightness = map(degrees, 0, FULL_ANGLE, 0, 255); analogWrite(LED,brightness); delay(500); } |
The potentiometer twig produces analog output between 0 and Vcc (5V DC with Seeeduino) on its D1 connector. The D2 connector is not used. The angular range is 300 degrees with a linear change in value. The resistance value is 10k ohms, perfect for Arduino use. This may also be known as a rotary angle sensor.
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